National Weather Service forecast
Union, Ohio Weather
Union 7-Day Forecast
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Overnight62°FLight Rain83% chance of precipitation
Rain. Mostly cloudy, with a low around 62. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
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Wednesday66°FRain97% chance of precipitation
Rain before 7am, then rain and a slight chance of thunderstorms. Cloudy, with a high near 66. South wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
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Wednesday Night49°FChance Light Rain then Mostly Cloudy42% chance of precipitation
A chance of rain before 7pm. Mostly cloudy, with a low around 49. Southwest wind 7 to 13 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
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Thursday63°FMostly Sunny
Mostly sunny, with a high near 63. Southwest wind 7 to 15 mph.
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Thursday Night45°FMostly Cloudy8% chance of precipitation
Mostly cloudy, with a low around 45. Southwest wind 3 to 9 mph.
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Friday57°FChance Light Rain37% chance of precipitation
A chance of rain after 7am. Mostly cloudy, with a high near 57. Chance of precipitation is 40%.
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Friday Night37°FChance Light Rain then Mostly Cloudy30% chance of precipitation
A chance of rain before 7pm. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
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Saturday54°FPartly Sunny3% chance of precipitation
Partly sunny, with a high near 54.
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Saturday Night33°FPartly Cloudy3% chance of precipitation
Partly cloudy, with a low around 33.
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Sunday57°FSunny3% chance of precipitation
Sunny, with a high near 57.
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Sunday Night33°FMostly Clear3% chance of precipitation
Mostly clear, with a low around 33.
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Monday59°FSunny2% chance of precipitation
Sunny, with a high near 59.
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Monday Night37°FMostly Clear2% chance of precipitation
Mostly clear, with a low around 37.
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Tuesday64°FSunny1% chance of precipitation
Sunny, with a high near 64.
Issued by the National Weather Service (ILN office), updated .
Union Hourly Forecast
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Union Weather Radar
Open the full radar for UnionAbout Union
- Population (2020 Census)
- 6,859
- Coordinates
- 39.907, -84.293
- Elevation
- 899 ft
- NWS forecast office
- ILN
- Time zone
- America/New York
- Sunrise today
- 7:09 AM EST
- Sunset today
- 5:32 PM EST
- Daylight today
- 10 h 23 min
Union Weather Questions
What is the weather forecast for Union, Ohio?
Overnight: Rain. Mostly cloudy, with a low around 62. South wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. Wednesday: Rain before 7am, then rain and a slight chance of thunderstorms. Cloudy, with a high near 66. South wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Will it rain or snow in Union this week?
The best chance of precipitation is Wednesday at 97%. Periods with a 30% chance or more: Overnight (83%), Wednesday (97%), Wednesday Night (42%), Friday (37%), Friday Night (30%).
How warm and how cold will it get in Union this week?
The warmest day is Wednesday, with a high near 66°F. The coldest night is Saturday Night, with a low near 33°F.
What time are sunrise and sunset in Union today?
Sunrise is at 7:09 AM EST and sunset is at 5:32 PM EST, for 10 h 23 min of daylight.
Weather near Union
- Englewood 3 mi
- Clayton 3 mi
- West Milton 4 mi
- Vandalia 6 mi
- Phillipsburg 6 mi
- Ludlow Falls 7 mi
- Tipp City 7 mi
- Shiloh 7 mi